AltShot ‑ Image SEO Optimizer vs PixelUnik: Alt Text Generator
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026 for AltShot, Oct 14, 2026 for PixelUnik.
The short answer
- Both list a free plan. Paid plans start at $4.99/month for AltShot and $9.99/month for PixelUnik.
- AltShot lists 5 features PixelUnik’s listing doesn’t mention, including AI generation, Alt text, Compression.
Head to head
Free
- · 50 images/month
- · AI alt text generation
- · One-click Fix All
- · Preview & edit
- · SEO audit dashboard
Starter
- · 500 images/month
- · Bulk operations
- · CSV export
- · Everything in Free
- · Image compression (WebP)
- · SEO filename suggestions
Pro
- · Everything in Starter
- · Keyword injection
- · Multi-language alt text
- · Priority processing
- · Priority support
- · Unlimited images
Free
- · 30 free tokens, one time
- · AI alt text, one image at a time
- · SEO file names, one image at a time
- · SEO titles & meta, product by product
Starter
- · 100 tokens/month
- · AI alt text, one image at a time
- · Basic SEO report
- · Compression and WebP conversion
- · Email support
- · Originals preserved
Pro
- · 500 tokens/month
- · AI alt text, one image at a time
- · Full SEO report
- · Originals preserved
- · Priority email support
- · Priority processing
Growth
- · 1,500 tokens/month
- · Alt text for the whole catalogue
- · Auto alt text and WebP on new images
- · Bulk SEO file names
- · Chat and priority support
- · Early access to new features
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureAltShot uses Google Gemini AI vision to analyze your product images and generate accurate, SEO-optimized alt text -- not templates like "Blue Sweater - Size M", but real descriptions like "Navy oversized knit sweater styled on a cobblestone street in autumn". Scan your entire store in seconds, review AI suggestions, edit inline, and apply with one click. Compress images to WebP for faster page loads.
Google and screen readers can't see your product photos: they read the alt text. Writing it by hand for a whole catalog is slow work. PixelUnik looks at each image and describes what that photo shows, different for every angle, in one of seven languages. Review it, ask for another, or save it to Shopify.
- AI-powered alt text that describes what's actually in your images
- One-click scan and fix for every product image in your store
- Image compression to WebP that replaces originals and keeps your alt text intact
- Per-image SEO scores so you can see exactly which products need attention
- Compress product images significantly without quality loss
- Optimize images to modern WebP format for faster loading
- Batch optimize multiple images at once from your library
- Track optimization history and results in your dashboard
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  AltShot |  PixelUnik |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | AltShot | PixelUnik |
|---|---|---|
| App Store rating | Not published | Not published |
| App Store reviews | Not published | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
FAQ
AltShot and PixelUnik: common questions
- Is AltShot or PixelUnik cheaper?
- Both list a free plan. Paid plans start at $4.99/month for AltShot and $9.99/month for PixelUnik. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- AltShot lists 5 the others don’t mention, such as AI generation, Alt text, Compression, File names. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Oct 13, 2026 for AltShot, Oct 14, 2026 for PixelUnik; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Oct 13, 2026 for AltShot, Oct 14, 2026 for PixelUnik. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.